5/16 X 4-1/2-inch Cobalt High-speed Drill Bit

The Master Mechanic 5/16" x 4-1/2" Cobalt High-Speed Drill Bit is engineered for precision and durability, making it an essential tool for both professional and DIY enthusiasts. Crafted from high-speed steel with an 8% cobalt content, this drill bit is designed to withstand extreme temperatures exceeding 1000° F, ensuring maximum cutting efficiency even in the toughest materials.

Featuring a 135 split point design, this drill bit allows for quick penetration and minimizes walking, providing you with accurate drilling every time. The four cutting edges enhance performance, making it ideal for drilling through hard metals such as heat-treated steel, stainless steel, chrome, manganese steel, titanium, and armor plate.

Key Features:
- High-speed steel construction with cobalt for enhanced durability
- 135 split point design for quick penetration and reduced walking
- Four cutting edges for superior performance
- Recommended for use on hard metals including heat-treated steel and titanium

Use Cases:
This drill bit is perfect for metalworking projects, automotive repairs, and construction tasks where precision drilling is required. Whether you are a professional tradesperson or a home improvement enthusiast, the Master Mechanic Cobalt Drill Bit will help you achieve clean and accurate holes in a variety of hard materials.